/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { useEffect, useRef } from 'react';

export function useGlobalEventListener<T extends Event>(
  eventName: keyof WindowEventMap,
  handler: (e: T) => void,
) {
  const lastHandler = useRef<(e: T) => void>(handler);

  useEffect(() => {
    lastHandler.current = handler;
  }, [handler]);

  useEffect(() => {
    const myHandler = (e: Event) => {
      lastHandler.current(e as T);
    };

    window.addEventListener(eventName, myHandler);
    return () => {
      window.removeEventListener(eventName, myHandler);
    };
  }, [eventName]);
}
